def _printTraceback(self, test, err):
"""Print a nicely formatted traceback.
:arg err: exc_info()-style traceback triple
:arg test: the test that precipitated this call
"""
# Don't bind third item to a local var; that can create
# circular refs which are expensive to collect. See the
# sys.exc_info() docs.
exception_type, exception_value = err[:2]
extracted_tb = extract_relevant_tb(
err[2], exception_type, exception_type is test.failureException)
test_frame_index = index_of_test_frame(extracted_tb, exception_type,
exception_value, test)
if test_frame_index:
# We have a good guess at which frame is the test, so
# trim everything until that. We don't care to see test
# framework frames.
extracted_tb = extracted_tb[test_frame_index:]
with self.bar.dodging():
self.stream.write(''.join(
format_traceback(extracted_tb, exception_type, exception_value,
self._cwd, self._term,
self._options.function_color,
self._options.dim_color,
self._options.editor)))
def _printError(self, kind, err, test, isFailure=True):
"""Output a human-readable error report to the stream.
kind -- the (string) type of incident the precipitated this call
err -- exc_info()-style traceback triple
test -- the test that precipitated this call
"""
if isFailure or self._options.show_advisories:
writeln = self.stream.writeln
write = self.stream.write
with self.bar.dodging():
writeln('\n' +
(self._term.bold if isFailure else '') +
'%s: %s' % (kind, nose_selector(test)) +
(self._term.normal if isFailure else '')) # end bold
if isFailure: # Then show traceback
# Don't bind third item to a local var; that can create
# circular refs which are expensive to collect. See the
# sys.exc_info() docs.
exception_type, exception_value = err[:2]
extracted_tb = extract_relevant_tb(
err[2],
exception_type,
exception_type is test.failureException)
test_frame_index = index_of_test_frame(
extracted_tb,
exception_type,
exception_value,
test)
if test_frame_index:
# We have a good guess at which frame is the test, so
# trim everything until that. We don't care to see test
# framework frames.
extracted_tb = extracted_tb[test_frame_index:]
write(''.join(
format_traceback(
extracted_tb,
exception_type,
exception_value,
self._cwd,
self._term,
self._options.function_color,
self._options.dim_color,
self._options.editor)))
def _printTraceback(self, test, err):
"""Print a nicely formatted traceback.
:arg err: exc_info()-style traceback triple
:arg test: the test that precipitated this call
"""
# Don't bind third item to a local var; that can create
# circular refs which are expensive to collect. See the
# sys.exc_info() docs.
exception_type, exception_value = err[:2]
# TODO: In Python 3, the traceback is attached to the exception
# instance through the __traceback__ attribute. If the instance
# is saved in a local variable that persists outside the except
# block, the traceback will create a reference cycle with the
# current frame and its dictionary of local variables. This will
# delay reclaiming dead resources until the next cyclic garbage
# collection pass.
extracted_tb = extract_relevant_tb(
err[2],
exception_type,
exception_type is test.failureException)
test_frame_index = index_of_test_frame(
extracted_tb,
exception_type,
exception_value,
test)
if test_frame_index:
# We have a good guess at which frame is the test, so
# trim everything until that. We don't care to see test
# framework frames.
extracted_tb = extracted_tb[test_frame_index:]
with self.bar.dodging():
self.stream.write(''.join(
format_traceback(
extracted_tb,
exception_type,
exception_value,
self._cwd,
self._term,
self._options.function_color,
self._options.dim_color,
self._options.editor,
self._options.editor_shortcut_template)))
def _printTraceback(self, test, err):
"""Print a nicely formatted traceback.
:arg err: exc_info()-style traceback triple
:arg test: the test that precipitated this call
"""
# Don't bind third item to a local var; that can create
# circular refs which are expensive to collect. See the
# sys.exc_info() docs.
exception_type, exception_value = err[:2]
extracted_tb = extract_relevant_tb(
err[2],
exception_type,
exception_type is test.failureException)
test_frame_index = index_of_test_frame(
extracted_tb,
exception_type,
exception_value,
test)
if test_frame_index:
# We have a good guess at which frame is the test, so
# trim everything until that. We don't care to see test
# framework frames.
extracted_tb = extracted_tb[test_frame_index:]
with self.bar.dodging():
self.stream.write(''.join(
format_traceback(
extracted_tb,
exception_type,
exception_value,
self._cwd,
self._term,
self._options.function_color,
self._options.dim_color,
self._options.editor)))
